Skype, the internet phone software makers, have now introduced the biggest and best changes to Skype for Windows - ever. If you haven't tried the new-look Skype for Windows yet, you should do it right now. It will really make a difference to you, and only takes a moment to upgrade. And here are three mind blowing  features of the latest Skype: Best-ever sound: Skype 4 now gives you consistently great sound quality that's warmer and richer than ever before.

Big-screen video: Video calls are much easier to make on Skype 4, and automatically open in a big window so you feel closer than ever.

So easy to use: You probably only know some of the ways to get in touch on Skype. Now there are clear buttons for calling, video calling and instant messaging.

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